I did. I've switched to using blender so that there won't be any discrepancies.
The 1st frame in the image below I have the mesh in Blender. The parameters were already how you see them, but I applied the object transform anyway just to rule anything out. I exported this to a collada file.
The 2nd frame is the mesh after I uploaded it to SL, saved a collada from SL, then imported it back into Blender. You can see the scale transform parameters have changed, and the shading on the mesh is different as the vertex normals are pointing in a different direction. This will cause problems w